Don't feel guilty, spaying is one of the best things you can do for a cat, and prevents a host of other issues, especially in females, like uterine cancer.
Oh no! Is he OK?
Thanks, I know it's for the best just tough to watch her go through it. Her brother is doing total fine. So good actually that I'm wondering if I should have got a cone for him to to put them on equal footing for playing.
Few recent pics (do these Imgur embeds look terrible for everyone or just me?)